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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 55  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] 2023-01-27
14:35
Online   Study of dispersed inorganic EL devices using ZnS:Cu nanophosphors -- Improvement of PL and EL characteristics by liquid-phase mixing ZnS:Cu and CuS particles --
Rei Matsukuma, Ryousuke Nagai, Koutoku Ohmi (Tottori Univ.)
 [more]
IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] 2023-01-27
14:45
Online   Improvement of conductivity by post-annealing for ZnGa2O4:Cr3+ far-red phosphor thin films
Haruki Taniguchi, Ryouta Hourai, Akihisa Ymasaki, Koutoku Ohmi (Tottori Univ.)
 [more]
BCT, IEICE-SIS 2022-10-13
14:35
Aomori Hachinohe Institute of Technology
(Primary: On-site, Secondary: Online)
Faster Convergence of An Adaptive Notch Filter using Variable Step Size
Rei Shiroeda, Yasutomo Kinugasa (Institute of Tech.), Naoto Sasaoka, Yoshio Itoh (Tottori Univ.)
A cascaded second order adaptive notch filters implemented using an allpass filter, for the elimination of multiple sinu... [more]
IEICE-SIP, IEICE-BioX, IEICE-IE, IEICE-MI, IST, ME [detail] 2022-05-20
15:00
Kumamoto Kumamoto University
(Primary: On-site, Secondary: Online)
Person Verification Based on Finger-Writing of a Simple Symbol on a Smartphone -- Finger contact direction feature extraction by frequency distribution --
Takahiro Horiuchi, Masaya yamazaki, Isao Nakanishi (Tottori Univ.)
We have studied on a technology to verify an individual by drawing a simple symbol that everyone are familiar and never ... [more]
IEICE-SIP, IEICE-BioX, IEICE-IE, IEICE-MI, IST, ME [detail] 2022-05-20
15:20
Kumamoto Kumamoto University
(Primary: On-site, Secondary: Online)
Person Verification Based on Finger-Writing of a Simple Symbol on a Smartphone -- Improvement of polar transformation and effect of fusing uncorrelated features --
Isao Nakanishi, Kazuki Matsuura, Yohei Masegi, Takahiro Horiuchi (Tottori Univ.)
We have studied to authenticate users based on their finger writing.
Users are asked to draw or write a simple symbol ... [more]

IDY, IEICE-EID, IEE-EDD, SID-JC, IEIJ-SSL [detail] 2022-01-28
11:15
Online   Dispersed inorganic EL devices using ZnS:Cu nanophosphors -- -Improvement of luminescent characteristics by two-step Cu addition- --
Shuma Bando, Rei Matsukuma, Yoshinobu Shikata, Koutoku Ohmi (Tottori Univ.)
 [more] IDY2022-10
pp.47-50
IDY, IEICE-EID, IEE-EDD, SID-JC, IEIJ-SSL [detail] 2022-01-28
11:30
Online   Liquid phase synthesis of near-infrared phosphor Ca2GeO4: Mn5+ for in vivo bioimaging
Yudai Nitta, Hiroto Sanzen, Koutoku Ohmi (Tottori Univ.)
In our previous studies, Ca2GeO4:Mn5+ has been synthesized as a near-infrared (NIR) phosphor for bioimaging by the solid... [more]
IST, ME, IEICE-IE, IEICE-SIP, IEICE-BioX [detail] 2021-06-04
10:00
Online Online A Study on Performance Improvement of User Verification Using Intra-Palm Propagation Signals
Tomoaki Oku, Kohei Fujita, Isao Nakanishi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:15
Kyoto   Multinary oxide/oxysulfide phosphors and thin film emission devices
Kazuki Tsujimori, Haruki Taniguchi, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:20
Kyoto   Thermal quenching characteristics under CTS excitaion in Y4Si2O7N2:Eu3+ red phosphors synthesized in NH3 atmosphere
Ken Kinoshita, Misa Kawashima, Rentaro Furuie, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:30
Kyoto   Mn5+ activated M2GeO4(M = Ca, Sr, Ba) near-infrared phosphors for in-vivo imaging
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
 [more]
BCT, IEICE-SIS 2020-10-02
10:00
Online Online A study on ANC using multiple virtual microphone
Itsuki Kojima, Keisuke Okano, Kouhei Matsuhisa, Naoto Sasaoka, Yoshio Itoh (Tottori Univ.)
 [more]
IEICE-MI, IEICE-IE, IEICE-SIP, IEICE-BioX, IST, ME [detail] 2020-05-29
11:00
Online Online Person Authentication Using Evoked EEG by Ultrasound -- Reduction of Calculation Amount and Introduction of Fractal Dimension Feature --
Kotaro Mukai, Isao Nakanishi (Tottori Univ.)
 [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
13:50
Tottori Tottori Univ [Poster Presentation] Investigation of correlation between PL temperature characteristics and charge transfer state (CTS) in Eu3+ activated red multi-anion compound phosphors
Misa Kawashima, Ken Kinoshita, Takuya Sohma, Kodai Nakamoto, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
Eu3+ activated red multi-anion compound phosphors, such as Y4Si2O7N2:Eu3+ (YSON), La2O3:Eu3+ (LO) and LaOF:Eu3+ (LOF), h... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
14:00
Tottori Tottori Univ [Poster Presentation] Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3
KenKinoshita, Misa Kawashima, Takuya Sohma, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokusima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ ... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
14:10
Tottori Tottori Univ [Poster Presentation] Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
10:55
Tottori Tottori Univ [Poster Presentation] Current injection type emission devices using conductive ternary sulfide/oxide phosphor thin films
Kazuki Tsujimori, Syunjo Koga, Tadashi Ishigki, Koutoku Ohmi (Tottori Univ.)
In this study, the fabrication of current-injection type light-emitting devices using CuAlS_2:Mn and ZnGa_2O_4:Cr polycr... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
11:05
Tottori Tottori Univ [Poster Presentation] Influence of Bi codoping to excitation characteristics in tetragonal Mg2TiO4:Mn4+ deep red phosphors
Motoshi Suhama, Yusuke Ueno, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
In this study, the Bi3+ codoping to Mg2TiO4:Mn4+ has been attempted. In addition, a low temperature annealing at 625°C f... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
11:15
Tottori Tottori Univ [Poster Presentation] Synthesis of Ca6BaP4O17:Mn5+ near-infrared phosphors and their luminescent properties
Kohei Matsubara, Tadashi Ishigaki, Yutarou Zaima, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
癌診断の方法の一つとして蛍光生体イメージングが期待されている.これまでの研究で液相反応法を用いてCa10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) ナノ粒子蛍光体の作製に成功している.しかし,発光強度が非常に弱いため, Caサイ... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
09:55
Kagoshima   [Poster Presentation] Current injection type emission devices using CuAlS2:Mn phosphor thin films -- SiO2 barrier layer suppressing interfacial diffusion between phosphor/electrode layers --
Shogo Ueda, Kazuki Tujimori, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
Red light-emitting devices consisting of CuAlS2:Mn polycrystalline phosphor thin films have been investigated. CuAlS2:Mn... [more] IDY2019-17
pp.81-84
 Results 1 - 20 of 55  /  [Next]  
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